MASTOID PROCESS Meaning and
Definition
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The mastoid process refers to a prominent bony protrusion located on the lower portion of the human skull. Specifically, it is located posteriorly and inferiorly to the external auditory canal (ear canal). The term "process" indicates a projection or an outgrowth of bone, and "mastoid" refers to the mastoid air cells, which are small, hollow spaces within the temporal bone where the process is located. The process itself is roughly cone-shaped and is easily distinguishable due to its distinctive size and shape.
The mastoid process serves multiple important functions. Firstly, it provides attachment points for various muscles and ligaments in the neck and head region, contributing to the overall stability of the skull and facilitating specific movements. Additionally, the mastoid process houses a significant component of the human ear, the mastoid air cells. These air cells act as an extension of the middle ear, helping to regulate air pressure and drainage, and potentially playing a role in sound conduction.
In medical contexts, the mastoid process is of clinical importance due to its proximity to vital structures. For instance, infections within the mastoid air cells, known as mastoiditis, can be serious and require prompt medical attention. The process can also be used as a surgical landmark, providing guidance during certain surgical procedures that involve the ear or temporal bone. Overall, the mastoid process is a distinct anatomical feature that contributes to the structural and functional complexity of the human skull.
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• A conical, nipple like projection on the temporal bone behind and below the tympanic portion.
• The nipple-like projection of the mastoid portion of the temporal bone.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for MASTOID PROCESS
- nastoid process
- kastoid process
- jastoid process
- mzstoid process
- msstoid process
- mwstoid process
- mqstoid process
- maatoid process
- maztoid process
- maxtoid process
- madtoid process
- maetoid process
- mawtoid process
- masroid process
- masfoid process
- masgoid process
- masyoid process
- mas6oid process
- mas5oid process
Etymology of MASTOID PROCESS
The word "mastoid" comes from the Greek word "mastos", meaning "breast", and the Greek word "eidos", meaning "form" or "shape". The term "process" refers to a projection or extension.
The term "mastoid process" is derived from the Latin phrase "processus mastoideus", which translates to "breast-shaped projection". This anatomical term is used to describe a bony prominence on the temporal bone located behind the ear, resembling a breast in shape.
Similar spelling words for MASTOID PROCESS
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